/Engine/Source/Runtime/MovieScene/Public/EntitySystem/MovieSceneEntityManager.h
May allocate fewer than the desired number due to allocation capacity constraints. As such, subsequent calls may be required.
A structure that points to the first entity that was allocated.
[FEntityDataLocation](API\Runtime\MovieScene\EntitySystem\FEntityDataLocation) AllocateContiguousEntities ( const [FComponentMask](API\Runtime\MovieScene\EntitySystem\FComponentMask) & EntityComponentMask, int32 * InOutNum )